package com.yakaten.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * リクエストのエンコーディングを設定するためのフィルタです。
 *
 * @author higa
 *
 */
public class LoginFilter implements Filter {


	/**
	 * {@link LoginFilter}を作成します。
	 */
	public LoginFilter() {
	}

	public void init(FilterConfig config) throws ServletException {}

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {

		HttpServletRequest req =(HttpServletRequest)request;
		String uri = req.getRequestURI();
		if(uri.indexOf("login")<0&&uri.indexOf(".css")<0&&uri.indexOf(".js")<0){
			String loginFlg = (String)req.getSession().getAttribute("loginFlg");
			if(!"true".equals(loginFlg)){
				((HttpServletResponse)response).sendRedirect(req.getContextPath()+"/login/");
				return ;
			}
		}

		chain.doFilter(request, response);
		return;
	}
}